Decompile code_801067F0, 80106860, 801068B0 (#89)

* Decompile code_801067F0, 80106860, 801068B0

* clang format

* Remove unnecessary casts

src/code/code_801067F0.c

@@ -0,0 +1,13 @@
+#include <ultra64.h>
+#include <global.h>
+
+// fmodf? unused
+f32 func_801067F0(f32 arg0, f32 arg1) {
+    s32 sp4;
+
+    if (arg1 == 0.0f) {
+        return 0.0f;
+    }
+    sp4 = arg0 / arg1;
+    return arg0 - (sp4 * arg1);
+}